特征曲线

The author identified the dawsonite in oil-bearing reserver well and truly with X-ray diffraction method for the first time in China,and detailedly analyzed its diffraction characteristic.

作者首次在中国运用 X 衍射手段准确鉴定了石油储层中的碳钠铝石矿物，详细解析了其衍射曲线特征。

Through the low cyclic load test of eight high strength concrete-filled square steel tubular columns, considering the effect of the axial compression ratio, steel ratio and slenderness ratio, the hysteretic curve, ductility, degradation of stiffness, energy dissipation capacity, failure mechanism and characteristics of the specimens were researched.

摘要］以轴压比、含钢率和长细比为参数，进行了8根方钢管高强混凝土柱的低周反复荷载试验，研究分析了该类构件的滞回曲线、延性、刚度退化、耗能能力、破坏机理和破坏特征；并与型钢高强混凝土柱的受力性能进行了比较分析。

Objective To explore the use of second derivate in seeking the inflection points of pressurevolume curves and compare it with the stepbystep regression method.

静态压力容积曲线是用来描述整个呼吸系统的机械特征，从而推断出其组织结构特点的一种有效手段。

Based on the basic principle of detecting underground oil and gas resources with the direct detecter of the space source,the interpretative models of the stratal lithology were established,and the characteristic curves of lithological detection of rocks were analyzed.

基于空间源直接探矿仪探测地下油气资源的基本原理，建立了地层岩性解释模型，剖析了各种岩石的岩性探测曲线特征，探讨了根据地下不同深度岩性综合能量值判别地下岩层性质和位置的方法。

Based on the basic principle of detecting underground oil and gas resource s with the direct detecter of the space source,the interpretative models of the stratal lithology were established,and the characteristic curves of lithological detection of rocks were analyzed.

基于空间源直接探矿仪探测地下油气资源的基本原理，建立了地层岩性解释模型，剖析了各种岩石的岩性探测曲线特征，探讨了根据地下不同深度岩性综合能量值判别地下岩层性质和位置的方法。

The effect of characteristic parameters on differential thermal analysis curve, solidification setup temperature and cooling rate on dendrite arm space was studied, and IAS-4 Image Analysis System was used for microstructural examination.

本文采用差热分析方法研究DTA曲线特征参数、凝固开始温度和冷却速率对二次枝晶间距λDAS的影响，同时使用IAS - 4图像分析系统分析了合金的微观组织。

The CCT curves of two kinds of steels were tested with heat dilatometer at different cooling rate. Corresponding microstructures were observed with LASER microscope.

采用热膨胀法测试试验钢不同冷速下的连续冷却转变曲线，用40MAT型激光显微镜观察相应的显微组织转变特征，并进行硬度及强度测试。

On the generation principles of the special double point of coupler curve,the paper analyzed double point of the coupler curve.

从连杆曲线特殊二重点的产生机理出发，研究具有实二重点轨迹特征的连杆点位置。

Particle size distribution of dustfall mostly focus on 0.01-0.05mm.The curvehave unimodality.

大气降尘颗粒粒径分布主要集中在0.01-0.5mm范围内，曲线具单峰特征。

The method of eigenfunction expansion was used to calculate the disperse curves of guid.

利用特征函数展开法计算出周向导波的频散曲线及0。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。